770 	td->dm_dev.dax_dev = dax_get_by_host(bdev->bd_disk->disk_name);  in open_table_device()
784 	put_dax(td->dm_dev.dax_dev);  in close_table_device()
786 	td->dm_dev.dax_dev = NULL;  in close_table_device()
1115 static long dm_dax_direct_access(struct dax_device *dax_dev, pgoff_t pgoff,  in dm_dax_direct_access()  argument
1118 	struct mapped_device *md = dax_get_private(dax_dev);  in dm_dax_direct_access()
1142 static bool dm_dax_supported(struct dax_device *dax_dev, struct block_device *bdev,  in dm_dax_supported()  argument
1145 	struct mapped_device *md = dax_get_private(dax_dev);  in dm_dax_supported()
1162 static size_t dm_dax_copy_from_iter(struct dax_device *dax_dev, pgoff_t pgoff,  in dm_dax_copy_from_iter()  argument
1165 	struct mapped_device *md = dax_get_private(dax_dev);  in dm_dax_copy_from_iter()
1186 static size_t dm_dax_copy_to_iter(struct dax_device *dax_dev, pgoff_t pgoff,  in dm_dax_copy_to_iter()  argument
1189 	struct mapped_device *md = dax_get_private(dax_dev);  in dm_dax_copy_to_iter()
1210 static int dm_dax_zero_page_range(struct dax_device *dax_dev, pgoff_t pgoff,  in dm_dax_zero_page_range()  argument
1213 	struct mapped_device *md = dax_get_private(dax_dev);  in dm_dax_zero_page_range()
1802 	if (md->dax_dev) {  in cleanup_mapped_device()
1803 		kill_dax(md->dax_dev);  in cleanup_mapped_device()
1804 		put_dax(md->dax_dev);  in cleanup_mapped_device()
1805 		md->dax_dev = NULL;  in cleanup_mapped_device()
1911 		md->dax_dev = alloc_dax(md, md->disk->disk_name,  in alloc_dev()
1913 		if (IS_ERR(md->dax_dev)) {  in alloc_dev()
1914 			md->dax_dev = NULL;  in alloc_dev()